PMC:7047037 / 8422-8496
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T71","span":{"begin":0,"end":12},"obj":"Sentence"},{"id":"T72","span":{"begin":13,"end":74},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"2 – 6 March. United Nations Commission on Narcotic Drugs, Vienna, Austria."}